Home / 53,019.88-79,527.96-13,577.32

Finding the Fourth Proportional to 53,019.88, 79,527.96 and 13,577.32

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Solution

The fourth proportional to 53,019.88, 79,527.96 and 13,577.32 is: 20,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.88 : 79,527.96 = 13,577.32 : x
  2. Step 2: Convert to fraction form
    53,019.88/79,527.96 = 13,577.32/x
  3. Step 3: Cross multiply
    53,019.88x = 79,527.96 × 13,577.32
  4. Step 4: Simplify right side
    53,019.88x = 1,079,776,561.87
  5. Step 5: Solve for x
    x = 1,079,776,561.87/53,019.88
  6. Step 6: Final answer
    x = 20,365.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.